Home / 940,510.92-1,298,111.58-618,250.68

Finding the Fourth Proportional to 940,510.92, 1,298,111.58 and 618,250.68

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Solution

The fourth proportional to 940,510.92, 1,298,111.58 and 618,250.68 is: 853,321.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    940,510.92 : 1,298,111.58 = 618,250.68 : x
  2. Step 2: Convert to fraction form
    940,510.92/1,298,111.58 = 618,250.68/x
  3. Step 3: Cross multiply
    940,510.92x = 1,298,111.58 × 618,250.68
  4. Step 4: Simplify right side
    940,510.92x = 802,558,367,050.88
  5. Step 5: Solve for x
    x = 802,558,367,050.88/940,510.92
  6. Step 6: Final answer
    x = 853,321.69

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.